There is this obvious, undeniable difficulty in the attempt to form a theory of Private Judgment, in the choice of a religion, that Private Judgment … - John Henry Newman

The Apostles lived eighteen hundred years since; and as far as the Christian looks back, so far can he afford to look forward. There is one Lord, one faith, one baptism, one God and Father of all, from first to last.

After he had gone over the mansion, his entertainer asked him what he thought of the splendours it contained; and he in reply did full justice to the riches of its owner and the skill of its decorators, but he added, "Lions would have fared better, had lions been the artists."

The Catholic Church claims, not only to judge infallibly on religious questions, but to animadvert on opinions in secular matters which bear upon religion, on matters of philosophy, of science, of literature, of history, and it demands our submission to her claim. It claims to censure books, to silence authors, and to forbid discussions. In all this it does not so much speak doctrinally, as enforce measures of discipline. It must of course be obeyed without a word, and perhaps in process of time it will tacitly recede from its own injunctions. In such cases the question of faith does not come in; for what is matter of faith is true for all times, and never can be unsaid.